:root {
    --black: #111111;
    --dark-grey: #1a1a1a;
    --silver: #c0c0c0;
    --light-silver: #e0e0e0;
    --white: #ffffff;
    --accent: #d4d4d4;
    --text-main: #f0f0f0;
    --text-dim: #a0a0a0;
    --gradient: linear-gradient(135deg, #333 0%, #111 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--black);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Nav */
header {
    background-color: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #222;
    transition: all 0.3s ease;
}

header.scrolled {
    padding: 0.75rem 0;
    background-color: rgba(17, 17, 17, 0.98);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.5px;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.logo span {
    color: var(--silver);
    font-weight: 300;
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 0.5rem;
}

.nav-links li a {
    text-decoration: none;
    color: var(--text-dim);
    transition: color 0.3s;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

.nav-phone {
    color: #4da6ff !important;
    font-weight: 700 !important;
    border: 1px solid rgba(77, 166, 255, 0.3);
    background: rgba(77, 166, 255, 0.05);
}

.nav-links li a:hover {
    color: var(--white);
}

.cta-btn {
    background: var(--white) !important;
    color: var(--black) !important;
    padding: 0.6rem 1.2rem !important;
    font-weight: 600 !important;
}

.cta-btn:hover {
    background: var(--silver) !important;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    gap: 5px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.85)),
        url('https://images.unsplash.com/photo-1629909613654-28e377c37b09?auto=format&fit=crop&q=80&w=2070');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 120px 1rem 80px;
    position: relative;
}

.hero-content {
    max-width: 850px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    color: var(--white);
    line-height: 1.15;
    font-weight: 700;
}

.hero h1 span {
    color: var(--silver);
    display: block;
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.3rem);
    margin-bottom: 2.5rem;
    color: var(--text-dim);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator svg {
    width: 32px;
    height: 32px;
    color: var(--silver);
    opacity: 0.6;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.btn.primary {
    background-color: var(--white);
    color: var(--black);
}

.btn.primary:hover {
    background-color: var(--silver);
}

.btn.secondary {
    background-color: transparent;
    color: var(--white);
    border: 1px solid var(--silver);
}

.btn.secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 4rem;
    font-weight: 700;
}

/* Services */
.services {
    padding: 8rem 0;
    background-color: var(--dark-grey);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--black);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    border: 1px solid #2a2a2a;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--silver), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover {
    border-color: var(--silver);
    transform: translateY(-5px);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card .icon {
    width: 60px;
    height: 60px;
    background: var(--dark-grey);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-card .icon svg {
    width: 28px;
    height: 28px;
    color: var(--silver);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.service-card p {
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Why Us */
.why-us {
    padding: 8rem 0;
    background: var(--black);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.feature {
    padding: 2rem;
    border-left: 2px solid #333;
    transition: border-color 0.3s ease;
}

.feature:hover {
    border-color: var(--silver);
}

.feature-number {
    font-size: 3rem;
    font-weight: 700;
    color: #2a2a2a;
    margin-bottom: 1rem;
    line-height: 1;
}

.feature h3 {
    font-size: 1.4rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.feature p {
    color: var(--text-dim);
    line-height: 1.7;
}

/* About */
.about {
    padding: 8rem 0;
    background: var(--dark-grey);
}

.about-flex {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
}

.about-text h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 2rem;
    line-height: 1.2;
}

.about-text h2 span {
    color: var(--silver);
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-dim);
    line-height: 1.8;
}

.check-list {
    list-style: none;
    margin-top: 2rem;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--white);
    font-weight: 500;
}

.check-list svg {
    width: 20px;
    height: 20px;
    color: var(--silver);
    flex-shrink: 0;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat {
    background: var(--black);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #2a2a2a;
    transition: all 0.3s ease;
}

.stat:hover {
    border-color: var(--silver);
    transform: scale(1.02);
}

.stat .num {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.stat .label {
    color: var(--silver);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Contact */
.contact {
    padding: 8rem 0;
    background: var(--black);
}

/* Remote Support */
.remote-support {
    padding: 8rem 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    position: relative;
    overflow: hidden;
}

.remote-support::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.remote-support-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.remote-support-text h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1.5rem;
}

.remote-support-text h2 span {
    color: #4da6ff;
}

.remote-support-text>p {
    color: var(--text-dim);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

.support-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.step-num {
    width: 32px;
    height: 32px;
    background: #4da6ff;
    color: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.step p {
    color: var(--text-main);
    margin: 0;
}

.step a {
    color: #4da6ff;
    text-decoration: none;
    font-weight: 600;
}

.step a:hover {
    text-decoration: underline;
}

.download-btn {
    background: #4da6ff !important;
    color: var(--black) !important;
    padding: 1.2rem 2rem !important;
    font-size: 1rem;
}

.download-btn:hover {
    background: #3d96ef !important;
}

.download-btn svg {
    width: 22px;
    height: 22px;
}

.download-note {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-dim);
}

.remote-support-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.support-icon-box {
    width: 250px;
    height: 250px;
    background: rgba(77, 166, 255, 0.1);
    border: 2px solid rgba(77, 166, 255, 0.3);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 4s ease-in-out infinite;
}

.support-icon-box svg {
    width: 120px;
    height: 120px;
    color: #4da6ff;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

@media (max-width: 768px) {
    .remote-support-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .support-steps {
        text-align: left;
    }

    .remote-support-visual {
        order: -1;
    }

    .support-icon-box {
        width: 180px;
        height: 180px;
    }

    .support-icon-box svg {
        width: 80px;
        height: 80px;
    }
}

.contact-box {
    max-width: 650px;
    margin: 0 auto;
    text-align: center;
}

.contact h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.contact>.container>.contact-box>p {
    color: var(--text-dim);
    margin-bottom: 2.5rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    color: var(--white);
    text-decoration: none;
    padding: 1rem 1.5rem;
    background: var(--dark-grey);
    border-radius: 8px;
    transition: all 0.3s ease;
}

a.info-item:hover {
    background: #2a2a2a;
    transform: translateY(-2px);
}

.info-item svg {
    width: 22px;
    height: 22px;
    color: var(--silver);
}

#contact-form {
    text-align: left;
    background: var(--dark-grey);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid #2a2a2a;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

input,
textarea,
select {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--black);
    border: 1px solid #333;
    color: var(--white);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23a0a0a0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 20px;
}

select option {
    background: var(--dark-grey);
    color: var(--white);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--silver);
    box-shadow: 0 0 0 3px rgba(192, 192, 192, 0.1);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-dim);
}

#contact-form .btn {
    width: 100%;
    padding: 1.1rem 2rem;
    margin-top: 0.5rem;
}

/* Footer */
footer {
    padding: 4rem 0 2rem;
    background: var(--dark-grey);
    border-top: 1px solid #2a2a2a;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--text-dim);
    font-size: 0.95rem;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.footer-links a {
    display: block;
    color: var(--text-dim);
    text-decoration: none;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-contact p,
.footer-contact a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.5rem;
}

.footer-contact a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid #2a2a2a;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 992px) {
    .about-flex {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--dark-grey);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 1rem;
        transition: right 0.3s ease;
        border-left: 1px solid #333;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li a {
        font-size: 1.2rem;
        padding: 1rem;
    }

    .hero {
        background-attachment: scroll;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-brand .logo {
        justify-content: center;
    }
}

/* Overlay for mobile menu */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Loading state for form button */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading span {
    opacity: 0;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Tech Stack Section */
.tech-stack {
    padding: 6rem 0;
    background: var(--black);
    text-align: center;
    border-top: 1px solid #222;
}

.tech-stack .section-subtitle {
    color: var(--text-dim);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    margin-top: -3rem;
    display: block;
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.tech-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem 2rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--silver);
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    cursor: default;
}

.tech-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--silver);
    color: var(--white);
    transform: translateY(-2px);
}